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Inspection Procedure

WARNING: This page is about a different car, the 2003 Lexus LX 470. However, it is still accessible from the selected car via links, so may be relevant.
  1. Display check mode (Touch switch, Touch point screen). 
    1. NG : Replace the multi-display. 
    2. OK: Go to next step 
  2. Check "AVC-LAN communication circuit". (See  AVC-LAN (COMMUNICATION BUS) CIRCUIT  ) 
    1. NG : Replace or repair AVC-LAN circuit. 
    2. OK : Replace the navigation ECU. 
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